This Standard specifies a format and associated system requirements for volume and boot block recognition, volume structure, file structure and record structure for the interchange of information on media between users of information processing systems.

The media shall be recorded as if the recording of sectors may be done
in any order.

NOTE 1
The medium is not restricted to being of one type; the type of medium
may be either write once, or read only, or rewritable, or a combination
of these types.

This Standard consists of the following five Parts:

Part 1: General

Part 2: Volume and Boot Block Recognition

Part 3: Volume Structure

Part 4: File Structure

Part 5: Record Structure

Annex A - ICB Strategies, is part of Part 4.

Part 1 specifies references, definitions, notation and basic structures
that apply to the other four Parts.